Question
Find a number which when multiplied by 5 is increased by 80.
✓
Answer
Then, 5x = 80 + xOr, 5x - x = 80
⇒ 4x = 80
$\Rightarrow\text{x}=\frac{80}{4}$
x = 20
⇒ 4x = 80
$\Rightarrow\text{x}=\frac{80}{4}$
x = 20
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